NVIDIA Quadro K4000 's Advantages
Larger VRAM bandwidth (134.8GB/s vs 96.13GB/s)
256 additional rendering cores
NVIDIA Quadro P1000 Mobile 's Advantages
Released 3 years and 11 months late
Boost Clock1519MHz
More VRAM (4GB vs 3GB)
Lower TDP (40W vs 80W)